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/* | |
Infix to postfix conversion in C++ | |
Input Postfix expression must be in a desired format. | |
Operands and operator, both must be single character. | |
Only '+' , '-' , '*', '/' and '$' (for exponentiation) operators are expected. | |
*/ | |
#include<iostream> | |
#include<stack> | |
#include<string> |
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/* | |
Evaluation Of postfix Expression in C++ | |
Input Postfix expression must be in a desired format. | |
Operands must be integers and there should be space in between two operands. | |
Only '+' , '-' , '*' and '/' operators are expected. | |
*/ | |
#include<iostream> | |
#include<stack> | |
#include<string> |
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// Stack - Object oriented implementation using arrays | |
#include <iostream> | |
using namespace std; | |
#define MAX_SIZE 101 | |
class Stack | |
{ | |
private: | |
int A[MAX_SIZE]; // array to store the stack | |
int top; // variable to mark the top index of stack. |
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# turn a .csv file into a 2-dimensional python matrix (a list of lists) | |
# this will not make you happy if cells have commas in them, however escaped they may be | |
# reverse the process (go from matrix to .csv) with gist: 778484 | |
def fixText(text): | |
row = [] | |
z = text.find(',') | |
if z == 0: row.append('') |